<template>
  <div class="icons">
  	<swiper :options="swiperOption">
  		<swiper-slide v-for="(page,index) of pages">
		    <div class="icon" 
		    	v-for="item of page"
		    	:key="item.id">
		    	<div class="icon-img">
		    		<img class="icon-img-content" :src="item.imgUrl">
		    	</div>
		    	<p class="icon-desc">{{item.desc}}</p>
		    </div>
	    </swiper-slide>
	</swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcon',
  props: {
    list: Array
  },
  data () {
  	return {
      swiperOption: {
        autoplay: false
      }
  	}
  },
  computed: {
  	pages () {
  		const pages = []
  		this.list.forEach((item,index) => {
  			const page = Math.floor(index / 8)
  			if (!pages[page]) {
  				pages[page] = []
  			}
  			pages[page].push(item)
  		})
  		return pages
  	}
  }
}
</script>

<style lang="stylus" scoped>
	@import '~styles/varbles.styl'
	@import '~styles/mixins.styl'
	.icons >>> .swiper-container
		height:0
		padding-bottom: 50%
	.icon
		position:relative
		overflow: hidden
		float: left
		width: 25%
		height: 0
		padding-bottom: 25%
		.icon-img
			position: absolute
			top: 0
			left: 0
			right: 0
			bottom: .44rem
			box-sizing: border-box
			padding:.1rem
			.icon-img-content
				display: block
				margin: 0 auto
				height: 100%
		.icon-desc
			position: absolute
			left: 0
			right: 0
			bottom: 0
			height: .44rem
			line-height: .44rem
			text-align:center
			color: $darkTextColor
			ellipsis()
</style>
